9 Stunning Celebrity Slimdowns

Hilary! Molly! Christina! Check out the body transformations you have to see to believe


Now, here's an unexpected pregnancy craving: Duff "really missed getting my butt kicked" and was pumped to get back to her exercise regimen after welcoming son Luca in March 2012. "I like working out since it makes me feel more clear-headed and positive," she told PARADE a month after giving birth. "There is a little bit of pressure, but most of it comes from me."